Re-examination of Dronino iron meteorite and its weathering products using Mossbauer spectroscopy with a high velocity resolution

被引：5
|
作者：
Oshtrakh, M. I. [1 ,2 ]
Yakovlev, G. A. [1 ]
Grokhovsky, V. I. [1 ]
Semionkin, V. A. [1 ,2 ]
机构：
[1] Ural Fed Univ, Inst Phys & Technol, Dept Phys Tech & Devices Qual Control, Ekaterinburg 620002, Russia
[2] Ural Fed Univ, Inst Phys & Technol, Dept Expt Phys, Ekaterinburg 620002, Russia
来源：
HYPERFINE INTERACTIONS | 2016年 / 237卷
关键词：
Mossbauer spectroscopy; Dronino iron meteorite; Weathering products; BEARING MINERALS; FERRITIN; NI;
D O I：
10.1007/s10751-016-1214-8
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
Re-examination of Dronino iron meteorite and products of its weathering in the internal and external surface layers was carried out using Mossbauer spectroscopy with a high velocity resolution. New results showed the presence of alpha-Fe(Ni, Co), alpha(2)-Fe(Ni, Co) and gamma-Fe(Ni, Co) phases with variations in Ni concentration in Dronino metallic iron alloy. The surface weathering products were supposed as magnetite and/or maghemite, goethite with different particles size and probably ferrihydrite in the internal layer and goethite with different particles size and probably ferrihydrite in the external layer.
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页数：7
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